ER26500M,3.6V AA,AA 3.6V bobbin cell,long term operating
Equivalent:
Saft LS26500,LS26500C,
Tadiran TL-5920,TL-4920,TL-2200,
Others SB-C01,SB-C02,XL-145F,XL-140F,SL-770,SL-2770,ER14,ER14C,ER14V,ER14LV